1. Every year, (1) ............... people have a cold. They feel tired ang sleepy. Moreover, they often cough, sneeze and have ang runny (2) ............ . When having a cold, you don't usually want to do anything. Therefore, to prevent this disease, you (3) ................... wear clothes when going out in winter. You should (4) .............. your house clean and wash your hands regularly. You should (5) .......... heathily with alot of fruits and vegetables. When you have a cold, you should see a doctor and take a rest. Save yourself.
1. a. a lots of             b. a lot of                            much                    no
2. mouth                          back                    nose                       ear
3. should                       shouldn't                   will                  won't
4. keep                          to keep                     kept                 keeping
5. drink                         play                            eat                         sleep

1. chon tu khac loai
1. a. tempreature                     b. fever              backache                         dentist
2. terrible                                       bad                         symptom               horrible
3. eyes                                        ears                               arms                    nose
4. safety                                      fast                         painful                      safe
5. slow                                                   fast quick                                    rapid